Company Description Axeria is an intelligent hybrid AI gateway that enables teams to access any large language model, whether local or cloud-based, through a single API with built-in intelligent routing, cost controls, and governance. The platform replaces fragmented AI operations across multiple accounts, keys, budgets, and dashboards with a unified control layer. Each application, agent, team, or process receives its own configuration, including approved models, routing priorities, budget limits, privacy rules, provider restrictions, fallbacks, ownership, and audit trails. Every request is validated against these controls, routed to the best eligible model, and fully logged with decision details, cost, latency, and applied policies. Axeria can be deployed as managed cloud, in a VPC, on-premises, or in air-gapped environments, offering flexibility for diverse enterprise needs.Role Description This is a full-time, on-site Software Engineer role based in Alcobendas. The Software Engineer will design, develop, and maintain backend services that power Axeria’s AI gateway, focusing on robust APIs, routing logic, and integration with multiple model providers and deployment environments. Day-to-day responsibilities include implementing new features, optimizing performance and reliability, writing clean and testable code, reviewing peer code, and contributing to architectural decisions. The role also involves collaborating closely with product, DevOps, and data teams to translate requirements into scalable solutions, improve developer experience, and ensure security and compliance across the platform. The Software Engineer will participate in troubleshooting production issues, refining observability and logging, and continuously improving engineering practices.Qualifications Strong foundation in Computer Science, including algorithms, data structures, and systems concepts.Proficiency in Software Development and Programming using modern languages and frameworks.Hands-on experience in Back-End Web Development, building and maintaining APIs and microservices.Solid understanding of Object-Oriented Programming (OOP) principles and design patterns.Experience with cloud or on-prem architectures, containers, and CI/CD pipelines.Familiarity with distributed systems, performance optimization, and monitoring/logging tools.Ability to write maintainable, well-tested code and collaborate in code reviews.Effective communication skills and a collaborative approach within cross-functional teams.Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience.Experience with AI/ML infrastructure, API gateways, or security and governance in software platforms is a plus.

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